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| All Patents in class 101/401.1 | |||||
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| Picture | Number | Date | Patentee | Title | |
| 942,699 | Dec. 07, 1909 | L.H. Baekeland | Method of making insoluble products of phenol and formaldehyde | ||
| 2,176,071 | Oct. 17, 1939 | E.A. Hall | Collet Construction | ||